JP4299357B2 - 復号処理装置および復号処理方法 - Google Patents

復号処理装置および復号処理方法 Download PDF

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JP4299357B2
JP4299357B2 JP2007521737A JP2007521737A JP4299357B2 JP 4299357 B2 JP4299357 B2 JP 4299357B2 JP 2007521737 A JP2007521737 A JP 2007521737A JP 2007521737 A JP2007521737 A JP 2007521737A JP 4299357 B2 JP4299357 B2 JP 4299357B2
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bit stream
decoding
unit
arithmetic
processing
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Japanese (ja)
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JP2008523644A (ja
Inventor
勝義 東島
雅保 井口
清史 安倍
博明 樋田
孝啓 西
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Panasonic Corp
Panasonic Holdings Corp
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Panasonic Corp
Matsushita Electric Industrial Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4006—Conversion to or from arithmetic code
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2007521737A 2004-11-09 2005-11-02 復号処理装置および復号処理方法 Expired - Lifetime JP4299357B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2004325533 2004-11-09
JP2004325533 2004-11-09
PCT/JP2005/020496 WO2006051796A1 (en) 2004-11-09 2005-11-02 Two step arithmetic decoding with conversion into an intermediate format

Related Child Applications (1)

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JP2008006078A Division JP5069571B2 (ja) 2004-11-09 2008-01-15 復号処理装置

Publications (2)

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JP2008523644A JP2008523644A (ja) 2008-07-03
JP4299357B2 true JP4299357B2 (ja) 2009-07-22

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JP2007521737A Expired - Lifetime JP4299357B2 (ja) 2004-11-09 2005-11-02 復号処理装置および復号処理方法
JP2008006078A Expired - Fee Related JP5069571B2 (ja) 2004-11-09 2008-01-15 復号処理装置

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US (4) US7724830B2 (enExample)
EP (1) EP1810521A1 (enExample)
JP (2) JP4299357B2 (enExample)
KR (1) KR101208233B1 (enExample)
CN (4) CN102158704B (enExample)
WO (1) WO2006051796A1 (enExample)

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JP4865509B2 (ja) * 2006-11-01 2012-02-01 キヤノン株式会社 復号装置及び復号方法
WO2008129855A1 (ja) * 2007-04-11 2008-10-30 Panasonic Corporation 画像データ復号化装置、画像データ復号化方法
US7839311B2 (en) * 2007-08-31 2010-11-23 Qualcomm Incorporated Architecture for multi-stage decoding of a CABAC bitstream
JP4894793B2 (ja) * 2008-03-17 2012-03-14 富士通株式会社 デコード方法、デコーダ及びデコード装置
US8542748B2 (en) 2008-03-28 2013-09-24 Sharp Laboratories Of America, Inc. Methods and systems for parallel video encoding and decoding
JP5361577B2 (ja) * 2009-07-06 2013-12-04 キヤノン株式会社 映像復号化装置及び映像復号化方法
US9537967B2 (en) 2009-08-17 2017-01-03 Akamai Technologies, Inc. Method and system for HTTP-based stream delivery
WO2011129052A1 (ja) * 2010-04-13 2011-10-20 パナソニック株式会社 画像復号装置、画像符号化装置、画像復号方法および画像符号化方法
US8344917B2 (en) 2010-09-30 2013-01-01 Sharp Laboratories Of America, Inc. Methods and systems for context initialization in video coding and decoding
US9313514B2 (en) 2010-10-01 2016-04-12 Sharp Kabushiki Kaisha Methods and systems for entropy coder initialization
US20120265853A1 (en) * 2010-12-17 2012-10-18 Akamai Technologies, Inc. Format-agnostic streaming architecture using an http network for streaming
US8880633B2 (en) 2010-12-17 2014-11-04 Akamai Technologies, Inc. Proxy server with byte-based include interpreter
US20140023137A1 (en) * 2011-03-31 2014-01-23 Thomson Licensing Techniques for context-adaptive binary data arithmetic coding (cabac) decoding
CN104350747B (zh) * 2012-06-22 2017-11-21 威勒斯媒体国际有限公司 图像解码方法、图像解码装置及图像编解码装置
WO2014107029A1 (ko) * 2013-01-02 2014-07-10 엘지전자 주식회사 비디오 신호 처리 방법 및 장치
JP6212345B2 (ja) * 2013-10-02 2017-10-11 ルネサスエレクトロニクス株式会社 動画像符号化装置およびその動作方法
WO2017041271A1 (en) * 2015-09-10 2017-03-16 Mediatek Singapore Pte. Ltd. Efficient context modeling for coding a block of data
EP3461131B1 (en) * 2016-05-20 2025-10-29 Panasonic Intellectual Property Corporation of America Coding device, decoding device, coding method and decoding method

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Also Published As

Publication number Publication date
WO2006051796A1 (en) 2006-05-18
KR20070084128A (ko) 2007-08-24
US8081683B2 (en) 2011-12-20
US20090225865A1 (en) 2009-09-10
CN102892001A (zh) 2013-01-23
CN102158704A (zh) 2011-08-17
JP2008182700A (ja) 2008-08-07
US20140064358A1 (en) 2014-03-06
US20100232496A1 (en) 2010-09-16
US20100232516A1 (en) 2010-09-16
EP1810521A1 (en) 2007-07-25
US8406308B2 (en) 2013-03-26
CN101040535A (zh) 2007-09-19
CN102752590A (zh) 2012-10-24
JP2008523644A (ja) 2008-07-03
US7724830B2 (en) 2010-05-25
CN102158704B (zh) 2013-05-08
CN101040535B (zh) 2011-07-06
KR101208233B1 (ko) 2012-12-04
US8867612B2 (en) 2014-10-21
JP5069571B2 (ja) 2012-11-07

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